Table 2.

Multivariate logistic regression for prediction of mortality at three months including different AKI definitions in the model

	Exp(B)	95 % CI	p value
ΔADM > 0.3	1.36	0.53-3.51	0.53
Age	1.01	0.99-1.04	0.28
Gender	0.75	0.37-1.47	0.39
APACHE II	1.07	1.02-1.13	0.009
Need for Ventilation	3.29	1.55-6.98	0.002
Fluid balance over the first 24 h after ICU admission	0.89	0.76-1.05	0.17
ΔHIS > 0.3	0.64	0.31-1.32	0.23
Age	1.01	0.99-1.04	0.35
Gender	0.68	0.34-1.35	0.27
APACHE II	1.09	1.03-1.15	0.002
Need for Ventilation	3.32	1.60-6.89	0.001
Fluid balance over the first 24 h after ICU admission	0.92	0.79-1.07	0.28
ΔEST > 0.3	0.66	0.32-1.36	0.26
Age	1.01	0.99-1.04	0.26
Gender	0.69	0.35-1.38	0.29
APACHE II	1.09	1.03-1.15	0.002
Need for Ventilation	3.32	1.60-6.87	0.001
Fluid balance over the first 24 h after ICU admission	0.92	0.78-1.07	0.27

ΔADM > 0.3 = Serum creatinine increase > 0.3 mg/dl based on the difference between the value 24 h after admission and ICU admission, APACHE II Acute physiology and chronic health evaluation II score, ICU Intensive care unit, ΔHIS > 0.3 = Serum creatinine increase > 0.3 mg/dl based on the difference between the highest value during the first 24 h after ICU admission and a historical baseline value, ΔEST > 0.3 = Serum creatinine increase > 0.3 mg/dl based on the difference between the highest value during the first 24 h after ICU admission and an estimated baseline value